157058181

素因数分解:

$3^2\times 7^2\times {\mathrm{356141}}^1$

素因数の和:356161

約数の個数: 18

約数和(自身を含む): 263901222

約数和(自身を除く): 106843041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 356141, 1068423, 2492987, 3205269, 7478961, 17450909, 22436883, 52352727, 157058181]

約数ペア:

[(1, 157058181), (3, 52352727), (7, 22436883), (9, 17450909), (21, 7478961), (49, 3205269), (63, 2492987), (147, 1068423), (441, 356141)]